20090239447 - Detecting device for abnormal workpiece rotation in non-circular workpiece grinding machine: In a non-circular workpiece grinding machine, a proximity sensor is arranged to face a non-circular portion of a workpiece for sensing a maximum diameter portion of the non-circular portion to detect that the maximum diameter portion is rotating in a detection phase section when the work spindle is rotating in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090239448 - Machining quality judging method for wafer grinding machine and wafer grinding machine: A machining quality judging method for a wafer grinding machine and wafer grinding machine are disclosed. The thickness of a wafer 2 is acquired from the feed amount of a grinding unit 3 while at the same time actually measuring the thickness of the wafer 2 appropriately. The wafer grinding... Agent: Christie, Parker & Hale, LLP

20090239446 - Polishing apparatus and polishing method: A polishing apparatus is provided for polishing wafers at a high yield rate even if roll-off exists. The polishing apparatus polishes a wafer W by applying a pressure between a polishing member (polishing pad) 201 and the wafer W held by a holding member (top ring) 52 and relatively moving... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090239449 - Automatic constant pressure polishing apparatus for improving surface accuracy of lens: Disclosed is an automatic constant pressure polishing apparatus. The automatic constant pressure polishing apparatus comprises a housing having a hollow section therein, a rubber pad installed in the housing and having superior expansion and contraction characteristics, a pressure fixture having a male screw section, which is formed on an outer... Agent: Staas & Halsey LLP

20090239450 - Process for producing glass substrate for magnetic disks: The process comprises a step of polishing a main surface of a circular glass plate by using an acidic polishing fluid containing colloidal silica or fumed silica, and a water-soluble polymer having at least one member selected from a group consisting of a carboxylic acid group, a carboxylate group, a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090239452 - Grinding apparatus: A grinding apparatus for grinding workpieces includes two clamping rods and a base. Each of the two clamping rods has a first end and an opposite second end. The first ends are opposite to each other for clamping workpieces therebetween. The base includes a receiving groove for receiving the workpieces... Agent: PCe Industry, Inc. Att. Steven Reiss

20090239453 - Compact electric sanding machine: The present invention particularly relates to a hand-held sanding machine with an outer housing (1), a tool shaft (2) and a brushless electric drive motor. In the present invention, the rotor of the drive motor is fastened to the tool shaft (2) of the sanding machine, and the stator (6)... Agent: Altera Law Group, LLC

20090239454 - Cmp conditioner and process for producing the same: A CMP conditioner having excellent corrosion resistance around abrasive grains includes a grindstone base having, formed on one side, an abrasive grain layer including abrasive grains fixed in a metallic bonding phase treated to form a first protective layer comprising an oxide on the surface of the metallic bonding phase... Agent: Carrier Blackman And Associates

20090239455 - Contour sanding pad: The present invention is an abrading system for a hand power tool including a base with a first end portion and a second end portion and configured to couple with the output shaft of a hand power tool, a flexible substrate having a first extending portion coupled with the first... Agent: Maginot, Moore & Beck, LLP Chase Tower

20090233526 - Apparatus and method for the prototype and small-batch production of gear wheels: This invention relates to an apparatus for the prototype and small-batch production of gear wheels with a dressing disk. In accordance with the invention, the dressing disk has an asymmetric flank shape and a defined head radius. Furthermore, this invention relates to a method for the prototype and small-batch production... Agent: Dilworth & Barrese, LLP

20090233527 - Interface pad for use between an abrasive article and a support tool: The present invention relates to an interface pad for use between an abrasive article and a support tool. In one particular embodiment, an interface pad for use between a perforated abrasive article and a support tool is provided. In general, the interface pads described herein contain apertures and at least... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20090233530 - Sharpener for knives with widely different edge angles: A wide range of knives and blades, including Western, Asian or traditional Japanese style blades that have a primary edge facet on at least one side of the knife edge are sharpened through use of an electric knife sharpener having a first sharpening stage with at least one rotating abrasive... Agent: Connolly Bove Lodge & Hutz LLP

20090233532 - Substrate holding apparatus and polishing apparatus: A substrate holding apparatus is for holding a substrate such as a semiconductor wafer in a polishing apparatus for polishing the substrate to a flat finish. The substrate holding apparatus comprises a vertically movable member, and an elastic member for defining a chamber. The elastic member comprises a contact portion... Agent: Wenderoth, Lind & Ponack, L.L.P.

09/10/2009 > patent applications in patent subcategories.

20090227182 - Method for operating a gear grinding machine: The present invention relates to a method for operating a gear grinding machine, with the following operating phases of the gear grinding machine: machining a workpiece on the gear grinding machine by means of a grinding disk and/or grinding worm and dressing a profiling tool for profiling a grinding disk... Agent: Dilworth & Barrese, LLP

20090227183 - Working surface, and system and method for production thereof: A mechanical device including: (a) a metal workpiece having a working surface for bearing a load, the working surface including a nanometric, adhesive, solid film containing carbon atoms, the film being intimately bonded to the workpiece, wherein the film is intimately bonded to the workpiece on one face of the... Agent: Dr. Mark M. Friedman C/o Bill Polkinghorn - Discovery Dispatch

20090227186 - Scratch removal device and method: A polishing wheel including a lower polishing surface and defining a different color from a secondary portion of the polishing wheel, so as to indicate wear of the polishing surface. The polishing surface includes a plurality of main radial flutes extending from a central passage to an outer edge. A... Agent: Attn: Steven C. Bruess Merchant & Gould P.C.

20090227188 - Vacuum sander having a porous pad: A sander with a face plate, a porous abrasive pad coupled with the face plate for sanding a surface, and a vacuum coupled with at least a portion of the pad. The pad has a thickness or storage capacity sufficient to temporarily retain at least a portion of particles removed... Agent: Stinson Morrison Hecker LLP Attn: Patent Group

20090227189 - Polishing apparatus: A polishing apparatus polishes a periphery of a substrate by bringing a polishing tool into sliding contact with the substrate. The polishing apparatus includes a substrate-holding mechanism configured to hold a substrate and rotate the substrate, a polishing mechanism configured to press a polishing tool against a periphery of the... Agent: Wenderoth, Lind & Ponack, L.L.P.

09/03/2009 > patent applications in patent subcategories.

20090221212 - Low pressure polishing method and apparatus: An improved low pressure low speed concrete polishing apparatus and method of cleaning and polishing a floor is used with a conventional rotary flooring machine. A polishing pad has interchangeable polymer strips that are slideably received within the housing of the pad. The polymer strips have an abrasive material embedded... Agent: Rader, Fishman & Grauer PLLC

20090221214 - Method and device for truing a razor blade: Truing devices constructed and arranged for truing one or more disposable metallic blades and methods for the manufacture and use of same are disclosed herein.... Agent: Ballard Spahr Andrews & Ingersoll, LLP

20090221216 - Pad dresser, polishing device, and pad dressing method: Elastic member bundled by pencil band is mounted to the lower edge of support part. Elastic member is composed with tungsten wires which are 25 mm in the length and 0.15 mm in diameter bundled with every 30 wires in one bundle. The tip part of each element wire of... Agent: Paul A. Fattibene Fattibene & Fattibene

20090221218 - Tool for machining composite material parts: A tool for machining composite material parts and a machining machine including such a tool. The tool has a substantially cylindrical main body. The main body includes a polishing part with a diameter D1, with a main axis and an abrasive part with a diameter D2, with D2<D1, such abrasive... Agent: Perman & Green

20090221219 - Surface truss planer: An improved mechanism for grinding surfaces flat is presented, involving a precision grinder with grinding heads that are adjustable in a vertical dimension controlled by a support structure on wheels. The support structure has an adjustable wheelbase that allows sinusoidal flaws in a surface to be ground down in a... Agent: Steven W. Webb

20090221220 - Device for polishing optical fibers mounted in a connector: The invention relates to a device for polishing the end of at least one optical fiber mounted in a connector, the device comprising a moving part supporting at least one connector and another moving part carrying a polishing film, the movement of these two parts being synchronized. According to the... Agent: Sofer & Haroun LLP.

20090221221 - Low height quarter sheet sander: A reduced height quarter sheet sander has a housing having first and second halves mated together. An upper portion of the housing provides a handle. An electric motor is disposed in the housing. The electric motor has a stator and an armature. The stator has field coils and the armature... Agent: Harness Dickey & Pierce, P.L.C

20090221222 - Electric grinding gun: An electric grinding gun has a body, a gear reduction device, a holding cap, and an actuating device. The body has a casing, a rechargeable battery, a protective circuit board, a switch, a trigger, a motor, a cooling fin and a mounting barrel. The gear reduction device is rotatably mounted... Agent: Cooper & Dunham, LLP

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